Raising and Strengthening of Singra both bank embankment (Package 4)

Amount

Cutting bamboo , uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

Cutting banana trees , uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

Felling trees including uprooting roots and stumps up to 50 cm. below ground, cutting into pieces and removing the same from the site of work as directed. Trees above 0.50m and up to 1m girth:

Felling trees including uprooting roots and stumps up to 50 cm. below ground, cutting into pieces and removing the same from the site of work as directed.(Tree above 1m and up to 2.00m girth) Trees above 1.0m and up to 2.0m girth:

Earth work in embankment by truck carriage in locally available ordinary soil excluding rocky soil free from roots and vegetations and filling in uniform layers not exceeding 22cm thick including cutting & cleaning light jungles and trees upto 50cm girth ploughing or roughening or benching the seats, removing all debries, breaking clods up to 2.5cm cube, dressing as per design section including payment of compensation for borrowing earth from private land or forest royalty if any, etc.complete as directed. (10% deduction will be made from the section measured quantities of the completed and compacted section earth work on account of shrinkage) (For lead beyond 500m & upto 4.00 km and for all lifts)

Turfing with grass sods of largest possible rectangles of 12 cm. minimum thickness placed closely including dressing earth pegging with Jati bamboo split, watering till the grass grows for a lead up to 90m and all lifts.

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virginPolypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass ≥300.00 Gm/m ² (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at break ≥ 60% (v) Abrasion ≥70 % (vi) UV Resistance @ 500 hours ≥ 70% (vii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25, (x)Trapezoidal Tear Strength ≤ 340 N (xi) Permeability = 2.00 x 10 ̄ ³ m/sec (xii) Seam strength = 80% of geotextiles strength . Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm.(Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer & Batch Number clearly on each bundle with “WRD Govt o fASSAM” to be printed on it and mentioning properly the GSM and type of polymer and Test Certificate from approved NABL accredited and ISO

Supply of Geo-textile bags of type-A (1.03X0.70M) made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass ≥ 300.00 Gm/m ² (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at break ≥ 60% (v) Abrasion ≥ 70 % (vi) UV Resistance @ 500 hours ≥ 70% (vii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 340 N (xi) Permeability = 2.00 x 10 ̄ ³ m/sec (xii) Seam strength = 80 % of geo-textiles strength . Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm. (Bags are to be supplied of 100 numbers or part in a bundle, properly packed with name of Manufacturer and Batch Number is to be marked on each bundle. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material.

Supply of Geo Bags Type-B (Size 2.00m x 1.50m)( pillow Type) made of composite layers of geotextile as per specifications below : Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit film tape fibre with MAVR values of the following properties. Geo-textile used to manufacture geo-textile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and U.V. resistance characteristics. Geo-textile should be inert to biological degradation and resistant to naturally encountered chemicals, alkalis, and acids.  Weight (ISO-9864/ASTMD 5261) ≥250 Gms/Sqm.  Tensile strength(MD) ( ASTMD 4595) = ≥35 kN/m  Tensile strength(CD) ( ASTMD 4595) = ≥35 kN/m  Tensile Elongation ( ASTMD 4595)= ≥5% & ≤30%  Grab Elongation ( ASTMD 4632)= ≥5% & ≤30%  Tensile strength ( ASTMD 4632) = 1.5 KN  UV resistance( ASTMD 4355) = 70%/500 hrs Non woven Geo-textile for the inner layer It is needle punched non woven geo-textile made of 100% polypropylene staple fibers which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Weight (ISO-9864/ASTMD 5261) ≥300 Gms/Sqm.  Tensile strength(MD) ( ASTMD 4595) = ≥12 kN/m  Tensile strength(CD) ( ASTMD 4595) = ≥12 kN/m  Tensile Elongation ( ASTMD 4595)= ≥5% & ≤30%  Grab Elongation ( ASTMD 4632)= ≥5% & ≤30%  Tensile strength ( ASTMD 4632) = 1.5 KN  UV resistance( ASTMD 4355) = 70%/500 hrs (Bags are to be supplied of 100 numbers or part in a bundle, properly packed with name of Manufacturer and Batch Number is to be marked on each bag with “WRD Govt of ASSAM” to be printed on each bag and mentioning properly the GSM and type of Geo bag polymer. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material).

Earth work in bank trimming to the designed section / slope including removing the spoils and depositing on bank/toe of the embkt. as directed by the department including clearing light jungles, debris and other foreign materials etc. with all lead and lift. Complete as directed.

Carriage of 300GSM Geo sheet of including loading & unloading stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman complete as directed (Distance to calculated with respect to For North Lakhimpur) Distance from Guwahati to North Lakhimpur =390.00Km.

Carriage of Geo bag of size 1.03x 0.70 m including loading & unloading stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman completed as directed (Distance to calculated with respect to For North Lakhimpur) Distance from Guwahati to North Lakhimpur =390.00Km.

Carriage of Geo bag of size 2.00x 1.50m including loading & unloading stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman completed as directed (Distance to calculated with respect to For North Lakhimpur) Distance from Guwahati to North Lakhimpur =390.00Km.

Supply of Sewing thread/yarn PPNF pitching thread( 2000 ben. Kaplon) including payment of taxes.

Labour charge for laying of Geo-fabric sheet as filter below pitching including anchoring and complete as directed.

Filling and laying of Geo bags of size 1.03mx0.70m including excavation of specified silt from flood plain or adjecent chars within a distance of 90m of the work site, filling geo bags with silt weighing 126.00 kg afterand minimun volume 0.084 cum after filling double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle stitched machine,stacking the same in batches of 100,carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly as directed.(silt,Geo Bag and Polypropylene thread will be supplied by the department free of cost).(Without boat)

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt having minimum volume 0.612 cum after filling double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine laying at proper site including all handling charges and local carriage within a distance of 100m complete as directed.(,Geo Bag and Polypropylene thread will be supplied by the department free of cost) ( Without boat)

Indra Tayegam